Answer:
a. 
b. 
Step-by-step explanation:
a. 
A mixed fraction of the form 



b. 
A mixed fraction of the form 




Hence, the answer.
That decimal would be: 32% = 0.32
So, your answer is 0.32
Hope it helped.
It would be 80% since it decreases 20% each year so 20*4 is 80 so it’s 80%